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                            <div style="color:gray; word-break: break-all; font-size:12px;">原英文版地址: <a href="https://www.elastic.co/guide/en/elasticsearch/reference/7.7/sql-getting-started.html" rel="nofollow" target="_blank">https://www.elastic.co/guide/en/elasticsearch/reference/7.7/sql-getting-started.html</a>, 原文档版权归 www.elastic.co 所有<br/>本地英文版地址: <a href="../en/sql-getting-started.html" rel="nofollow" target="_blank">../en/sql-getting-started.html</a></div>
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<strong>重要</strong>: 此版本不会发布额外的bug修复或文档更新。最新信息请参考 <a href="https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html" rel="nofollow">当前版本文档</a>。
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<h2 class="title">
<a id="sql-getting-started"></a>Getting Started with SQL<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/sql/getting-started.asciidoc">edit</a><a class="xpack_tag" href="https://www.elastic.co/subscriptions"></a>
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<p>To start using Elasticsearch SQL, create
an index with some data to experiment with:</p>
<div class="pre_wrapper lang-console">
<pre class="programlisting prettyprint lang-console">PUT /library/book/_bulk?refresh
{"index":{"_id": "Leviathan Wakes"}}
{"name": "Leviathan Wakes", "author": "James S.A. Corey", "release_date": "2011-06-02", "page_count": 561}
{"index":{"_id": "Hyperion"}}
{"name": "Hyperion", "author": "Dan Simmons", "release_date": "1989-05-26", "page_count": 482}
{"index":{"_id": "Dune"}}
{"name": "Dune", "author": "Frank Herbert", "release_date": "1965-06-01", "page_count": 604}</pre>
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<div class="console_widget" data-snippet="snippets/303.console"></div>
<p>And now you can execute SQL using the <a class="xref" href="sql-rest.html" title="SQL REST API"><em>SQL REST API</em></a> right away:</p>
<div class="pre_wrapper lang-console">
<pre class="programlisting prettyprint lang-console">POST /_sql?format=txt
{
    "query": "SELECT * FROM library WHERE release_date &lt; '2000-01-01'"
}</pre>
</div>
<div class="console_widget" data-snippet="snippets/304.console"></div>
<p>Which should return something along the lines of:</p>
<div class="pre_wrapper lang-text">
<pre class="programlisting prettyprint lang-text">    author     |     name      |  page_count   | release_date
---------------+---------------+---------------+------------------------
Dan Simmons    |Hyperion       |482            |1989-05-26T00:00:00.000Z
Frank Herbert  |Dune           |604            |1965-06-01T00:00:00.000Z</pre>
</div>
<p>You can also use the <a class="xref" href="sql-cli.html" title="SQL CLI"><em>SQL CLI</em></a>. There is a script to start it
shipped in x-pack’s bin directory:</p>
<div class="pre_wrapper lang-bash">
<pre class="programlisting prettyprint lang-bash">$ ./bin/elasticsearch-sql-cli</pre>
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<p>From there you can run the same query:</p>
<div class="pre_wrapper lang-sqlcli">
<pre class="programlisting prettyprint lang-sqlcli">sql&gt; SELECT * FROM library WHERE release_date &lt; '2000-01-01';
    author     |     name      |  page_count   | release_date
---------------+---------------+---------------+------------------------
Dan Simmons    |Hyperion       |482            |1989-05-26T00:00:00.000Z
Frank Herbert  |Dune           |604            |1965-06-01T00:00:00.000Z</pre>
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